// Copyright 2024 The Perses Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import { DurationString, parseDurationString, RelativeTimeRange } from '@perses-dev/core';
import { formatDuration } from 'date-fns';

export interface TimeOption {
  value: RelativeTimeRange;
  display: string;
}

export function buildRelativeTimeOption(duration: DurationString): TimeOption {
  return {
    value: { pastDuration: duration },
    display: `Last ${formatDuration(parseDurationString(duration), { delimiter: ', ' })}`,
  };
}
